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Itens para a visualização no momento 81-89 of 89
O plano experimental e a variação da heterogeneidade da área experimental na cultura do milho.
(Universidade Federal de Santa Maria, 2008-01-28)
Public and private companies are working on genetic improvement of maize in Brazil. This generates new cultivars to be recommended to rural workers yearly. In the state
of Rio Grande do Sul, southern Brazil, before being ...
Equações de estimativa do crescimento do sistema radicular e produção de fitomassa de alface hidropônica
(Universidade Federal de Santa Maria, 2008-02-21)
Modelling is a technique that can be used to understand interactions between plant and environment, such as hydroponic growth dynamics. The study objective was to adjust models to estimate hydroponic lettuce growth, with ...
Liberação de Trichogramma pretiosum (Hym.: Trichogrammatidae) e avaliação de Trichogrammatidae em posturas de Spodoptera frugiperda (Lep.: Noctuidae) na cultura do milho
(Universidade Federal de Santa Maria, 2009-03-30)
Fall armyworm, Spodoptera frugiperda (J.E. Smith), is considered the major pest of corn. In general, the control of larvae is achieved with insecticides application, which can cause several environmental problems. In search ...
Manejo de nitrogênio e tratamento químico sobre a ocorrência de Tilletia Barclayana em arroz irrigado
(Universidade Federal de Santa Maria, 2009-02-19)
This study had the objective of to describe the biology and management of the Tilletia barclayana, determine the effects of different rates of nitrogen topdressing application on the incidence and severity of kernel smut ...
Avaliação de genótipos de azevém diplóide e tetraplóide com manejos distintos de cortes visando duplo propósito
(Universidade Federal de Santa Maria, 2009-02-27)
The objective of the work was to evaluate the chemical composition and production of dry matter and seed in five genotypes of ryegrass subjected to different number of cuts, with emphasis on growing dual purpose. The ...
Sensibilidade in vitro e in vivo de isolados de Colletotrichum lindemuthianum (Sacc & Magn.) Briosi & Cav., a fungicidas sistêmicos
(Universidade Federal de Santa Maria, 2009-02-18)
The sensitivity of ten isolated of Colletotrichum lindemuthianum the systemic fungicides was evaluated in vitro and in vivo, in experimental design was completely random with three replications. In the study in vitro, it ...
Respostas fisiológicas e bioquímicas de duas cultivares de batata (solanum tuberosum l.) expostas ao cádmio
(Universidade Federal de Santa Maria, 2008-02-21)
In much agricultural farmland, cadmium (Cd) concentrations are above the natural levels mainly due to anthropogenic actions such as metal liberation from industrial and agricultural sources. Therefore, it is necessary to ...
Desenvolvimento, crescimento e produtividade da mandioca em função de datas de plantio
(Universidade Federal de Santa Maria, 2009-02-19)
Cassava (Manihot esculenta Crantz) is a native plant of Brazil and the base of multiple products, iincluding
ethanol. Rio Grande do Sul State is a minor producer of cassava in Brazil, especially in the Central Region of ...
Resposta de cultivares de soja ao controle químico de ferrugem asiática
(Universidade Federal de Santa Maria, 2008-02-27)
The response of soybean cultivars to the chemical control of Asian rust (Phakopsora pachyrhizi) was studied in a factorial experiment 10 x 3 x 2. The treatments were ten soybean cultivars (Fundacep 56, M-soy 8000, Nidera ...